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IPC Main Group
H02J 50/00

Circuit arrangements or systems for wireless supply or distribution of electric power

Introduced: January 2016

Classification Context

Section:
ELECTRICITY
Class:
GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
Subclass:
ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY

Filing statistics

IPC H02J 50/00 belongs to the parent subclass H02J, which recorded 623,631 patent applications worldwide between 2013 and 2023. Annual filings grew from 34,287 in 2013 to 78,393 in 2023 (+129%). The most active applicants in class H02 are SGCC(STATE GRID CORPORATION OF CHINA) (54,496 applications), MITSUBISHI ELECTRIC CORPORATION (10,495 applications) and TOYOTA MOTOR CORPORATION (9,464 applications).

Source: EPO PATSTAT, worldwide filings

Additional Content

Inductive energy transfer between a charging station and an electric vehicle

11 direct subcodes

Child Classifications

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  • H02J 50/05 using capacitive coupling
  • H02J 50/15 using ultrasonic waves
  • H02J 50/3 using light, e.g. lasers
  • H02J 50/4 using two or more transmitting or receiving devices
  • H02J 50/5 using additional energy repeaters between transmitting devices and receiving devices
  • H02J 50/6 responsive to the presence of foreign objects, e.g. detection of living beings
  • H02J 50/7 involving the reduction of electric, magnetic or electromagnetic leakage fields
  • H02J 50/8 involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
  • H02J 50/9 involving detection or optimisation of position, e.g. alignment

Top Applicants

Top 10 applicants by patent filingsfor class H02, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SGCC(STATE GRID CORPORATION OF CHINA) 54,496
  2. MITSUBISHI ELECTRIC CORPORATION JP 10,495
  3. TOYOTA MOTOR CORPORATION 9,464
  4. GUANGDONG POWER GRID CORPORATION 9,339
  5. ROBERT BOSCH DE 8,226
  6. SIEMENS DE 8,218
  7. DENSO CORPORATION 7,063
  8. MITSUBISHI ELECTRIC CORPORATION 6,619
  9. SAMSUNG ELECTRONICS COMPANY KR 5,826
  10. GREE ELECTRIC APPLIANCES 5,094